Vacuum cleaner



FIG. 1 is a front perspective view of the left side of a vacuum cleaner.

FIG. 2 is a front perspective view of the right side thereof.

FIG. 3 is a rear perspective view of a left side thereof.

FIG. 4 is a rear perspective view of a right side thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a right side elevational view thereof.

FIG. 7 is a front elevational view thereof.

FIG. 8 is a rear elevational view thereof.

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof. 

The ornamental design for a vacuum cleaner, as shown and described. 